WO2020238096A1

WO2020238096A1 - Power box and led display screen

Info

Publication number: WO2020238096A1
Application number: PCT/CN2019/120916
Authority: WO
Inventors: 张文波; 熊青松; 何昆鹏; 吴振志; 吴涵渠
Original assignee: 深圳市奥拓电子股份有限公司
Priority date: 2019-05-28
Filing date: 2019-11-26
Publication date: 2020-12-03
Also published as: CN210110225U

Abstract

A power box (10) and an LED display screen. The power box (10) comprises a box frame (100), a box cover, a plate part (200), auxiliary connecting pieces (300), a frame connecting piece (401), and a plate connecting piece (402); an accommodating cavity (100a) is formed in the box frame (100), and the plate part (200) is disposed in the accommodating cavity (100a); the box cover is connected to the box frame (100) and can cover the box frame (100); the plate part (200) is fixedly connected to the box frame (100) by means of at least one auxiliary connecting piece (300); the auxiliary connecting piece (300) is provided with at least one frame connecting port (3021) and at least one plate connecting port (3022), the frame connecting piece (401) enables the auxiliary connecting piece (300) to be fixedly connected to the box frame (100) by means of the frame connecting port (3021), and a receiving area (202a) is arranged from the position on the plate part (200) corresponding to the frame connecting port (3021) to the edge of the plate part (200); the plate connecting piece (402) enables the auxiliary connecting piece (300) to be fixedly connected to the plate part (200) by means of the plate connecting port (3022). Therefore, the front and rear surfaces of the plate part (200) can be disassembled, so that it is more convenient to maintain the power box (10).

Description

A power box and LED display

Technical field

The utility model relates to the field of LED display, in particular to a power supply box and an LED display screen.

Background technique

LED has the characteristics of low energy consumption, high brightness, colorful colors, environmental protection, etc., and is widely used in more and more scenes such as outdoor display, monitoring center, advertising/media display, and stage.

The maintenance methods of the LED display screen are mainly divided into two types: front maintenance and rear maintenance, including maintenance of the LED display module and maintenance of the power supply box. Now the requirements for convenient maintenance of LED displays are getting higher and higher. Currently on the market, there are already LED displays that can be maintained before and after. However, the power supply box is generally equipped with HUB board, control board, power supply board and other boards, which obstruct the front and rear areas of the power supply box to a certain extent, which brings troubles to the front and rear maintenance operations of the power supply box. Generally, a plurality of screws are provided on one end surface of the board to fix the board to the power supply box body. When removing the board, it can only be removed from the side where the screws are set. Therefore, the current LED display screen cannot realize the front and rear disassembly of the inner panels of the power supply box, which has a certain impact on the front and rear maintenance of the power supply box.

technical problem

Based on this, it is necessary to propose a new power supply box and LED display for the problem that the panels cannot be removed front and back in the power supply box of the existing LED display.

Technical solutions

An embodiment of the utility model provides a power supply box, which includes a box body frame, a box cover, a plate component, an auxiliary connector, a frame connector, and a plate connector;

An accommodating cavity is provided in the box body frame, and the plate member is arranged in the accommodating cavity; the box cover is connected to the box body frame and can be closed on the box body frame; The plate component is fixedly connected to the box frame through at least one of the auxiliary connecting pieces;

The auxiliary connecting piece is provided with at least one frame connecting port and at least one plate connecting port, the frame connecting piece fixedly connects the auxiliary connecting piece with the box body frame through the frame connecting port, and the board The position corresponding to the frame connection port on the component part to the edge of the board component is provided with a avoidance area; the board connection piece passes through the board connection port to connect the auxiliary connection piece with the board Fixed connection of components

In some embodiments, the auxiliary connector includes a body portion, the frame connection port is a through hole that penetrates the body portion, and the plate connection port is a through hole that penetrates the body portion or is provided in the body portion. Blind hole on the body.

In some embodiments, the auxiliary connecting member further includes an extension portion, the extension portion is fixedly connected to the body portion, and when the auxiliary connecting member is fixedly connected to the box body frame, the extension portion abuts The box body frame;

The frame connection port is a through hole penetrating the body part and the extension part.

In some embodiments, the auxiliary connecting member further includes a positioning pin, and the box frame and/or the plate member are correspondingly provided with positioning holes.

In some embodiments, the box body frame is provided with mating lugs, and a mating interface is provided on the mating lugs to connect with the frame connector.

In some embodiments, the frame connector and the plate connector are screws, snaps or pins.

In some embodiments, it further includes an elastic piece, the elastic piece is arranged on the box body frame, and the elastic piece is used for pressing and fixing the plate member.

In some embodiments, it further includes a clamping member and a clamping connection member;

The clamping member includes a main body and two supporting plates, the supporting plate is fixedly connected to the main body, a clamping groove is formed between the two supporting plates, and the main body is provided with a connection through hole, The side wall of the connecting through hole has at least one plane;

The clamping connector includes an abutting section and a threaded column, at least one of the side surfaces of the abutting section is flat, the abutting section is fixedly connected to the threaded column, and the abutting section is connected to the threaded column. The free end of the threaded column is provided with an operating part;

The abutting section shown is placed in the connecting through hole, and the clamping piece is rotatably fixed on the box frame through the threaded column; when the clamping connection piece rotates, the abutting The segment drives the clamping piece to rotate together.

Another embodiment of the present invention also provides an LED display screen, comprising a box frame, a power supply box, and at least one LED display module. The LED display module is installed on the display surface of the box frame. The power supply box is fixedly connected to the box body frame, and the power supply box is any one of the foregoing power supply boxes.

In some embodiments, the box frame of the power supply box and the box frame are integrally formed.

Beneficial effect

In the power supply box provided by the embodiment of the application, the auxiliary connector is provided with a frame connection port and a plate connection port spaced apart from each other at a certain distance, and a avoidance area is provided on the plate component corresponding to the frame connection port from the position to the edge. The plate connector is fixedly connected to the auxiliary connector and the plate part through the plate connection port; the frame connector is fixedly connected to the auxiliary connector and the box frame through the frame connection port to realize the fixation between the plate part and the box frame connection. On one side, by disassembling the frame connector, the panel part can be removed from the box frame; on the other side, by disassembling the panel connector, the panel part can be separated from the auxiliary connector, and the panel part It can be removed from the avoiding area, from between the auxiliary connecting piece and the box body frame to complete the disassembly. In this way, the front and rear disassembly of the plate components is realized, and the maintenance of the power supply box is more convenient.

Description of the drawings

Figure 1 is a schematic structural diagram of a power supply box according to an embodiment of the present invention;

2 is an enlarged schematic diagram of the structure at C of the power supply box of FIG. 1;

Figure 3 is a schematic structural diagram of the power supply box of an embodiment of the utility model after being disassembled from side A;

Figure 4 is a schematic structural diagram of the power supply box of an embodiment of the present invention after being disassembled from side B;

Figure 5 is a schematic structural diagram of an auxiliary connector in an embodiment of the utility model;

6 is a schematic diagram of the structure of an LED display screen according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of the LED display screen of an embodiment of the present invention from another viewing angle.

Embodiments of the invention

In order to be able to understand the above objectives, features and advantages of the present utility model more clearly, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the application and the features in the embodiments can be combined with each other if there is no conflict.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or a central element may also exist. When an element is considered to be "connected" to another element, it can be directly connected to the other element or an intermediate element may be present at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not mean the only implementation.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present invention. The terminology used in the description of the present utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the present utility model.

As shown in Figures 1 to 5, an embodiment of the present invention provides a power supply box 10, including a box body frame 100, a box cover (not shown in the figure), a plate component 200, an auxiliary connector 300, and a frame The connecting piece 401, the board connecting piece 402; the box body frame 100 is provided with a receiving cavity 100a, and the plate member 200 is arranged in the receiving cavity 100a; the box cover is connected to the box body frame 100 and can be closed on the box body frame 100 On; the plate component 200 is fixedly connected to the box frame 100 through at least one auxiliary connecting piece 300;

The auxiliary connector 300 is provided with at least one frame connection port 3021 and at least one plate connection port 3022. The frame connector 401 connects the auxiliary connector 300 to the box frame 100 through the frame connection port 3021; The position of the frame connection port 3021 to the edge of the plate component 200 is provided with a avoidance area 202a; the plate connector 402 connects the auxiliary connector 300 and the plate component 200 through the plate connection port 3022.

The box frame 100 is provided with a receiving cavity 100a, and the plate member 200 is provided in the receiving cavity 100a. The box frame 100 may be provided with openings on opposite sides, or may be provided with openings on only one side. The box cover can be detachably/movably connected to the box body frame 100 by means of hinges, buckles, screws, etc., and can be closed on the box body frame 100 to seal the opening. When there are openings on both sides, a box cover can be set on both sides. In this way, the openings of the power supply box can be sealed. When installing and using, the frame or LED display used with the power supply box does not need to be designed for the power supply box. Open sealing structure. It is also possible to provide a box cover on only one side to seal the opening on that side; the opening on the other side is sealed by a frame or LED display used with the power supply box. It can be understood that when an opening is provided on only one side of the box body frame 100, the box cover is provided at the opening.

The board component 200 may be a PCB circuit board, or other functional boards (such as a support board, a heat sink, an EMC-related board, etc.). The plate component 200 is disposed in the containing cavity 100 a, and is fixedly connected to the box frame 100 through at least one auxiliary connecting piece 300.

The position where the frame connection port 3021 on the plate component 200 is mapped to the edge of the plate component 200 is provided with a avoidance area 202a. In some embodiments, the avoidance area 202a may be one or more strip-shaped areas whose width is adapted to the width of the frame connector 401. In the embodiment shown in FIGS. 1 to 5, the width of the avoidance area 202 a is adapted to the width of the auxiliary connecting member 300 or exceeds the width of the auxiliary connecting member 300.

In the embodiment shown in FIGS. 1 to 5, only one frame connection port 3021 and one plate connection port 3022 are provided on the auxiliary connecting member 300. The frame connector 401 passes through the frame connection opening 3021 and is fixedly connected to the box frame 100 to realize the fixed connection between the auxiliary connector 300 and the box frame 100. The board connecting piece 402 is fixedly connected to the auxiliary connecting piece 300 and the board component 200 through the board connecting port 3022. It can be understood that the number of the frame connection ports 3021 and the plate connection ports 3022 on the auxiliary connection member 300 may also be two or more.

The frame connecting piece 401 and the plate connecting piece 402 may be common mechanical connecting structures such as screws, buckles, pins. For example, the frame connector 401 and the plate connector 402 may be screws. Correspondingly, the through hole of the plate component 200 for the plate connector 402 to pass through and/or the plate connection port 3022 can be provided with threads, or a nut can be added to be screwed to the plate connector 402; the frame connection port 3021 A thread may be provided, or the mating interface of the box body frame 100 corresponding to the frame connection port 3021 may be set as a threaded hole, or a nut may be added to be threaded with the frame connector 401.

The mating interface may be provided on the main body of the box frame 100. In order to process the box body frame 100, the box body frame 100 may also be provided with a matching lug 101, and a matching interface is provided on the matching lug 101, as shown in FIGS. 1 to 3.

The plate component 200 has two opposite A and B surfaces. The frame connector 401 and the plate connector 402 can be installed and removed from one or both of the A and B surfaces. For example, as shown in Figures 1 to 4, the frame connector 401 can be installed and disassembled from the A side of the panel part 200; the panel connector 402 can be installed and disassembled from the B side of the panel part 200 .

When the panel component 200 is removed from the A side, as shown in FIG. 3, only the frame connector 401 needs to be removed to separate the auxiliary connector 300 from the box frame 100. Because the plate connector 402 only connects the auxiliary connector 300 with the plate component 200, at this time, the auxiliary connector 300 is separated from the box frame 100 together with the plate component 200. In this way, the disassembly of the panel component 200 from the A side is completed.

When the panel component 200 is removed from the B side, as shown in FIG. 4, only the panel connector 402 needs to be removed to separate the auxiliary connector 300 and the panel component 200. At this time, the auxiliary connecting member 300 is fixedly connected to the box frame 100 through the frame connecting member 401. Because of the avoidance area 202a, the panel component 200 can be moved from the avoidance area 202a from between the auxiliary connector 300 and the box frame 100 without being restricted by the auxiliary connector 300 and the frame connector 401. In this way, the disassembly of the panel component 200 from the B side is completed.

In the power supply box provided in this embodiment, the auxiliary connector is provided with a frame connection port and a board connection port spaced apart from each other at a certain distance, and a avoidance area is provided on the board component corresponding to the frame connection port from the position to the edge. The plate connector is fixedly connected to the auxiliary connector and the plate part through the plate connection port; the frame connector is fixedly connected to the auxiliary connector and the box frame through the frame connection port to realize the fixation between the plate part and the box frame connection. On one side, by disassembling the frame connector, the panel part can be removed from the box frame; on the other side, by disassembling the panel connector, the panel part can be separated from the auxiliary connector, and the panel part It can be removed from the avoiding area, from between the auxiliary connecting piece and the box body frame to complete the disassembly. In this way, the front and rear disassembly of the plate components is realized, and the maintenance of the power supply box is more convenient.

As shown in FIG. 5, the auxiliary connecting member 300 includes a body portion 301, and the frame connecting port 3021 and the plate connecting port 3022 are provided on the body portion 301. The frame connection port 3021 and the plate connection port 3022 may both be through holes penetrating the body portion 301. The plate connection port 3022 may also be a blind hole provided on the main body 301.

The frame connection port 3021 and the board connection port 3022 are separated by a certain distance, so that the through hole on the board component 200 for the board connection piece 402 to pass through is at a certain distance from the edge, which facilitates the processing of the through hole and can strengthen the auxiliary connection piece The strength and stability when 300 is fixedly connected to the plate component 200.

In some embodiments, the auxiliary connector 300 is further provided with an extension 303, and the extension 303 is fixedly connected to the main body 301. At this time, the auxiliary connecting member 300 may be L-shaped as a whole. When the auxiliary connecting member 300 is fixedly connected to the box body frame 100, the extension portion 303 can abut against the box body frame 100 to provide support for the auxiliary connecting member 300 and enhance the stability of the fixed connection.

The frame connection port 3021 may be provided at a position on the body portion 301 corresponding to the extension portion, and is provided through the body portion 301 and the extension portion 303. The frame connection port 3021 may also be provided in an area of the main body portion 301 that does not correspond to the extension portion 303, and is provided through the main body portion 301. In this way, the frame connecting members 401 can pass through the frame connecting opening 3021 to be connected with the box frame 100.

Further, in order to facilitate the positioning of the auxiliary connector 300, as shown in FIG. 5, the auxiliary connector 300 is further provided with a positioning pin 304. The positioning pin 304 is provided on the body portion 301, and the plate member 200 is provided with corresponding positioning holes. When the extension 303 is provided, a positioning pin may also be provided on the extension 303, and a positioning hole is correspondingly provided on the box frame 100.

The plate component 200 is arranged in the containing cavity 100 a, and is fixedly connected to the box frame 100 through at least one auxiliary connecting piece 300. In some embodiments, only one auxiliary connecting member 300 may be used to fix the connecting plate component 200. In other embodiments, two auxiliary connectors 300 can be used to fix one plate part 200. The two auxiliary connectors 300 are arranged on different sides of the plate part 200, for example, one is arranged on the plate part. 200 corners, the other is set on a side or diagonal corner that is not adjacent to the corner. It is understood that more than two auxiliary connectors 300 can also be used to fix the plate component 200.

In some embodiments, the power supply box 10 may further include an elastic sheet, which is arranged on the box body frame 100, and the elastic sheet is used to press and hold the fixed plate member 200. The elastic piece can be rotatably connected to the box body frame, and by rotating the elastic piece, the two states of pressing the plate member 200 and releasing the plate member 200 can be switched. Through the arrangement of the elastic pieces, the stability of the plate component 200 when fixed to the box frame 100 is improved.

In some embodiments, as shown in FIGS. 1-4, the power supply box 10 may further include a clamping member 500 and a clamping connection member 601;

The clamping member 500 includes a main body and two supporting plates, the supporting plate is fixedly connected to the main body, a clamping groove is formed between the two supporting plates, the main body is provided with a connecting through hole, and the side wall of the connecting through hole has at least one flat;

The clamping connector 601 includes an abutment section and a threaded column, at least one of the sides of the abutment section is flat, the abutment section is fixedly connected to the threaded column, and the free end of the abutment section and the threaded column is provided with an operating component;

The abutment section is placed in the connection through hole of the clamping piece 500. The clamping piece 500 is rotatably fixed on the box frame 100 through the threaded column of the clamping connection piece 601; when the clamping connection piece 601 rotates, it clamps The abutting section of the connecting member 601 drives the clamping member 500 to rotate together.

In the embodiment of FIGS. 1-4, the box frame 100 is provided with a matching lug 101, and the clamping member 500 is rotatably fixed to the matching lug 101 of the box frame 100 by clamping the threaded post of the connecting piece 601 on. For example, a threaded hole may be provided on the fitting lug 101 to be threadedly fitted with the threaded post of the clamping connector 601. It can be understood that the mating lug 101 may also only be provided with a through hole, without a threaded hole, and be fixed by an additional fastening nut.

The operating component can be one of a groove, a protrusion, and a detachable rotation aid. In the embodiment of FIG. 2, the operating member is a slot. It can be understood that the operating member may also be a cross groove or other shapes of grooves.

By rotating the clamping member 500, the plate member 200 can be placed in the clamping groove. Through the clamping grooves, force can be applied from both sides of the plate component 200 to clamp the plate component 200, and the stability of the plate component 200 when fixed to the box frame 100 is improved. The abutment section and the free end of the threaded column are provided with operating components, that is, both ends of the clamping connector 601 can be rotated, and the plane side surface of the abutment section is matched with the plane side surface in the connecting through hole to abut, drive The clamping member 100 rotates together to realize the switching between the clamping member 500 clamping the plate member 200 and releasing the plate member 200, so as to facilitate the front and rear maintenance operations of the plate member.

The clamping member 500 may also be provided with a protrusion, and the user can manually rotate the clamping member 500 by holding the protrusion.

In the power supply box provided in this embodiment, the auxiliary connector is provided with a frame connection port and a board connection port spaced apart from each other at a certain distance, and a avoidance area is provided on the board component corresponding to the frame connection port from the position to the edge. The plate connector is fixedly connected to the auxiliary connector and the plate part through the plate connection port; the frame connector is fixedly connected to the auxiliary connector and the box frame through the frame connection port to realize the fixation between the plate part and the box frame connection. On one side, by disassembling the frame connector, the panel part can be removed from the box frame; on the other side, by disassembling the panel connector, the panel part can be separated from the auxiliary connector, and the panel part It can be removed from the avoiding area, from between the auxiliary connecting piece and the box frame to complete the disassembly. In this way, the front and rear disassembly of the plate components is realized, and the maintenance of the power supply box is more convenient.

Another embodiment of the present invention also provides an LED display screen, as shown in Figures 6 and 7, comprising a box frame 20, a power supply box 10 and at least one LED display module (not shown in the figure). The display module is installed on the display surface of the box frame 20, and the power box 10 is fixedly connected to the box frame 20. The power box 10 may be the power box described in any of the foregoing embodiments.

A number of installation areas 20a may be provided on the display frame 20, and one or more installation areas 20a correspond to one LED display module.

In some embodiments, the box body frame of the power supply box 10 has two opposite openings to facilitate the front and rear maintenance of the power supply box.

In some embodiments, the box frame of the power supply box 10 may be integrally formed with the box frame 20.

The above LED display screen is provided with a frame connection port and a board connection port spaced at a certain distance from each other through the auxiliary connection piece of the power supply box, and a avoidance area is provided on the board component corresponding to the frame connection port from the position to the edge. The plate connector is fixedly connected to the auxiliary connector and the plate part through the plate connection port; the frame connector is fixedly connected to the auxiliary connector and the box frame through the frame connection port to realize the fixation between the plate part and the box frame connection. On one side, by disassembling the frame connector, the panel part can be removed from the box frame; on the other side, by disassembling the panel connector, the panel part can be separated from the auxiliary connector, and the panel part It can be removed from the avoiding area, from between the auxiliary connecting piece and the box body frame to complete the disassembly. In this way, the front and rear disassembly of the plate components is realized, and the maintenance of the power supply box is more convenient.

The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, All should be considered as the scope of this specification.

The above-mentioned embodiments only express several implementations of the utility model, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the utility model, several modifications and improvements can be made, and these all fall within the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

A power supply box, which is characterized by comprising a box body frame, a box cover, a plate component, an auxiliary connector, a frame connector, and a plate connector;

An accommodating cavity is provided in the box body frame, and the plate member is arranged in the accommodating cavity; the box cover is connected to the box body frame and can be closed on the box body frame; The plate component is fixedly connected to the box frame through at least one of the auxiliary connecting pieces;

The auxiliary connecting piece is provided with at least one frame connecting port and at least one plate connecting port, and the frame connecting piece fixedly connects the auxiliary connecting piece with the box body frame through the frame connecting port; The position corresponding to the frame connection port on the component part to the edge of the board component is provided with a avoidance area; the board connection piece passes through the board connection port to connect the auxiliary connection piece with the board The components are fixedly connected.
The power supply box according to claim 1, wherein the auxiliary connector includes a main body, the frame connection port is a through hole that penetrates the main body, and the plate connection port is a through hole that penetrates the main body. Through holes or blind holes provided on the body part.
The power supply box according to claim 2, wherein the auxiliary connector further comprises an extension part, the extension part is fixedly connected to the main body part, and the auxiliary connector is fixedly connected to the box body frame. , The extension part abuts the box frame;

The frame connection port is a through hole penetrating the body part and the extension part.
The power supply box according to any one of claims 1 to 3, wherein the auxiliary connecting member further comprises a positioning pin, and the box body frame and/or the plate member are correspondingly provided with positioning holes.
The power supply box according to claim 1, wherein a matching lug is provided on the box body frame, and a matching interface is provided on the matching lug to connect with the frame connector.
The power supply box according to claim 1, wherein the frame connection piece and the board connection piece are screws, buckles or pins.
The power supply box according to claim 1, further comprising an elastic sheet, the elastic sheet is arranged on the box body frame, and the elastic sheet is used to press and fix the plate member.
The power supply box according to claim 1, further comprising a clamping member and a clamping connection member;

The clamping member includes a main body and two supporting plates, the supporting plate is fixedly connected to the main body, a clamping groove is formed between the two supporting plates, and the main body is provided with a connection through hole, The side wall of the connecting through hole has at least one plane;

The clamping connector includes an abutment section and a threaded column, at least one of the side surfaces of the abutment section is flat, the abutment section is fixedly connected to the threaded column, and the abutment section is connected to the threaded column. The free end of the threaded column is provided with an operating part;

The abutting section shown is placed in the connecting through hole, and the clamping piece is rotatably fixed on the box frame through the threaded column; when the clamping connecting piece rotates, the abutting The segment drives the clamping piece to rotate together.
An LED display screen, comprising a box frame, a power supply box and at least one LED display module. The LED display module is installed on the display surface of the box frame, and the power supply box is fixed to the box frame The connection is characterized in that the power supply box is the power supply box according to any one of claims 1-8.
The LED display screen of claim 1, wherein the box body frame of the power supply box and the box body frame are integrally formed.